Golf ball marker



FIG. 1 is a rear perspective view of the golf ball marker;

FIG. 2 is a top view of the golf ball marker;

FIG. 3 is a bottom view of the golf ball marker;

FIG. 4 is a rear view of the golf ball marker;

FIG. 5 is a side view of the golf ball marker wherein the opposite side view is identical; and,

FIG. 6 is a front view of the golf ball marker. 

The ornamental design for a golf ball marker, as shown, and described. 